<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>dom操作</title>
  <link rel="stylesheet" href="./css/h01.css">
</head>

<body>
  <button id="btn01">点击创建内容</button>
  <div id="div01"></div>

  <hr>
  <!-- 下拉选择年月日的功能  -->
  <select id="selNian">
    <!-- 
    <option value="1970">1970年</option>
    <option value="1971">1971年</option> -->

  </select>

  <select id="selYue"></select>
  <select id="selRi"></select>

  <hr>

  <div id="divNow"></div>

  <script src="./js/h01.js"></script>
</body>

</html>